> Have a look at the digi driver in -current where I did this. The
> caveat is that the kernel code looks ugly. From the driver's ioctl
> routine:
>
> case DIGIIO_IDENT:
> return (copyout(sc->name, *(char **)data,
> strlen(sc->name) + 1));
>
> and from digiio.h:
>
> #define DIGIIO_IDENT _IOW('e', 'E', char *)
>
> and from userland (digictl.c):
>
> char namedata[256], *name = namedata;
> ....
> } else if (ioctl(fd, DIGIIO_IDENT, &name) != 0) {
>
Oops, we weren't talking about copyout() :*D
There's a copyinstr() function available. Would that solve the
problem ?
> > --
> > -Alfred Perlstein [[EMAIL PROTECTED]]
> > Ok, who wrote this damn function called '??'?
> > And why do my programs keep crashing in it?
[.....]
--
Brian <[EMAIL PROTECTED]> <[EMAIL PROTECTED]>
http://www.freebsd-services.com/ <brian@[uk.]FreeBSD.org>
Don't _EVER_ lose your sense of humour ! <brian@[uk.]OpenBSD.org>
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